Ozment has authored 10 books. His Age of Reform, 1250-1550 (1980) won the Schaff History Prize (1981) and was nominated for the 1981 National Book Award. Five of his books have been selections of the History Book Club and several have been translated into European and Asian languages.

The cover [1] of Ozment's A Mighty Fortress: A New History of the German People depicts medieval Nuremberg as shown in the Nuremberg Chronicle (here in grayscale)

A Mighty Fortress: A New History of the German People came out in 2005. Ozment's study of the German world of artist Lucas Cranach the Elder was published by Yale University Press in June, 2013, under the title, The Serpent and the Lamb: Cranach, Luther, and the Making of the Reformation.

Magdalena and Balthasar: An Intimate Portrait of Life in 16th Century Europe Revealed in the Letters of a Nuremberg Husband and Wife. New York, NY: Simon & Schuster, 1986; New Haven, CT: Yale University Press, 1989.

ed., Religion and Culture in the Renaissance and Reformation. Kirksville, MO: Sixteenth Century Journal Publishers, 1989.

ed. & trans., Three Behaim Boys: Growing Up in Early Modern Germany. A Chronicle of Their Lives. New Haven, CT: Yale University Press, 1990.